opkg: update to git HEAD

 5936c4f libopkg: pkg_hash: prefer original packages to satisfy dependencies

Signed-off-by: Daniel Golle <[email protected]>

package/system/opkg/Makefile

@@ -14,9 +14,9 @@ PKG_FLAGS:=essential
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://git.openwrt.org/project/opkg-lede.git
-PKG_SOURCE_DATE:=2021-03-14
-PKG_SOURCE_VERSION:=d3a63b327383a2ac1a8f925a58a2f6a7808f5181
-PKG_MIRROR_HASH:=65339e965b3d3d2d49b98e41d774bcedb0f044335c651d306d95cd3e96ca57c3
+PKG_SOURCE_DATE:=2021-03-15
+PKG_SOURCE_VERSION:=5936c4f9660248284e8a9b040ea3153d3ea888de
+PKG_MIRROR_HASH:=b873c209baaf4f150c89646d58e4a0072f807d24b02c320ab8c7ae9180c13240
 
 PKG_LICENSE:=GPL-2.0
 PKG_LICENSE_FILES:=COPYING